The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 08, 1978
Filed:
Nov. 22, 1976
Applicant:
Inventors:
John H Horn, Vizcaya, ES;
William R Morehead, Pampa, TX (US);
Ronald C Hurst, Pampa, TX (US);
Dennis J Potter, Milford, MA (US);
Clyde D Schaub, Tulsa, OK (US);
Assignee:
Cabot Corporation, Boston, MA (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C01B / ; C09C / ; C09C / ;
U.S. Cl.
CPC ...
423456 ; 423450 ; 423455 ;
Abstract
This disclosure relates to an improved furnace process for preparing carbon blacks, especially semi-reinforcing furnace blacks, by the incomplete combustion of hydrocarbonaceous feedstocks wherein the structure characteristics of the resultant blacks are lowered without significantly increasing the particle size of the blacks.